Evolution of the bacterial organelle responsible for magnetotaxis.

Long-Fei Wu, Christopher T Lefèvre

Journal: Trends in microbiology 2014;21(10):534-43

PMID: 23948365

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Abstract

There are few examples of protein- and lipid-bounded organelles in bacteria that are encoded by conserved gene clusters and lead to a specific function. The magnetosome chain represents one of these rare examples and is responsible for magnetotaxis in magnetotactic bacteria (MTB), a behavior thought to aid in finding their optimal growth conditions. The origin and evolution of the magnetotaxis is still a matter of debate. Recent breakthroughs in isolation, cultivation, single-cell separation, and whole-genome sequencing have generated abundant data that give new insights into the biodiversity and evolution of MTB.

Address: Commissariat à l'Energie Atomique et aux Energies Alternatives (CEA)/Centre National de la Recherche Scientifique (CNRS)/Aix-Marseille Université, Unité Mixte de Recherche (UMR) 7265 Biologie Végétale et Microbiologie Environnementales, Laboratoire de Bioénergétique Cellulaire, 13108, Saint-Paul-lès-Durance, France. Electronic address: [email protected].

DOI: 10.1016/j.tim.2013.07.005

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MeSH Terms: Bacterial Physiological Phenomena, Chemotaxis, Ferrosoferric Oxide, Iron, Magnetic Fields, Magnetosomes, Proteobacteria, Sulfides